大约有 40,000 项符合查询结果(耗时:0.0311秒) [XML]
WKWebView not loading local files under iOS 8
...-around here. IMO code shown in https://github.com/shazron/WKWebViewFIleUrlTest is full of unrelated details most people are probably not interested in.
The work-around is 20 lines of code, error handling and comments included, no need of a server :)
func fileURLForBuggyWKWebView8(fileURL: URL) th...
Count how many records are in a CSV Python?
...
2018-10-29 EDIT
Thank you for the comments.
I tested several kinds of code to get the number of lines in a csv file in terms of speed. The best method is below.
with open(filename) as f:
sum(1 for line in f)
Here is the code tested.
import timeit
import csv
import p...
Can you put two conditions in an xslt test attribute?
...
Not quite, the AND has to be lower-case.
<xsl:when test="4 &lt; 5 and 1 &lt; 2">
<!-- do something -->
</xsl:when>
share
|
improve this answer
...
Optimal way to concatenate/aggregate strings
...simply sort the string alphabetically before concatenation).
I've quickly tested the solution on SQL Server 2012 with the following data:
INSERT dbo.SourceTable (ID, Name)
VALUES
(1, 'Matt'),
(1, 'Rocks'),
(2, 'Stylus'),
(3, 'Foo'),
(3, 'Bar'),
(3, 'Baz')
The query result:
ID FullName...
Which HTML elements can receive focus?
...esn't do anything useful). Other embedding elements also, maybe, I haven't tested them all.
Any element with a tabindex
There are likely to be other subtle exceptions and additions to this behaviour depending on browser.
sh...
What's the difference between a proc and a lambda in Ruby?
...of a lambda triggers the code right outside of the lambda code
def lambda_test
lam = lambda { return }
lam.call
puts "Hello world"
end
lambda_test # calling lambda_test prints 'Hello World'
‘return’ inside of a proc triggers the code outside of the method where the proc...
read subprocess stdout line by line
...e()
if not line:
break
#the real code does filtering here
print "test:", line.rstrip()
Of course you still have to deal with the subprocess' buffering.
Note: according to the documentation the solution with an iterator should be equivalent to using readline(), except for the read-ahead ...
How do I access the request object or any other variable in a form's clean() method?
...therwise you tie your form logic to the request/response cycle which makes testing harder.
– Andrew Ingram
Jan 29 '13 at 10:34
2
...
How to use Namespaces in Swift?
...ork).
My experience is that Swift therefore is not namespaced in the slightest. In turning one of my apps from Objective-C to Swift, I created an embedded framework because it was so easy and cool to do. Importing the framework, however, imports all the Swift stuff in the framework - so presto, onc...
C++ preprocessor __VA_ARGS__ number of arguments
... 19,18,17,16,15,14,13,12,11,10, \
9,8,7,6,5,4,3,2,1,0
/* Some test cases */
PP_NARG(A) -> 1
PP_NARG(A,B) -> 2
PP_NARG(A,B,C) -> 3
PP_NARG(A,B,C,D) -> 4
PP_NARG(A,B,C,D,E) -> 5
PP_NARG(1,2,3,4,5,6,7,8,9,0,
1,2,3,4,5,6,7,8,9,0,
1,2,3,4,5,6,7,8,9,0,
...
